By improving, many diseases can be prevented. A: transition B: nutrition C: discrimination D: faction

The author fills this real town with ( ) characters. A: faction B: factious C: factitious D: fictitious

I can only pay a ______ of my bill. A: faction B: fiction C: fraction D: friction

Having his parents living with them sometimes causes ______ at home. A: fiction B: fraction C: friction D: faction

Mr. Morsi and his allies never got a grip on Egypt's ( ) state. A: faction B: factious C: factitious D: fictitious